狀濾波器 的英文怎麼說

中文拼音 [zhuàng]
狀濾波器 英文
cic filter
  • : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
  • : 動詞(除去液體雜質) filter; strain
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 濾波器 : [電子學] electric filter; (electric) wave filter; filter
  1. 3. the principle of the interleaver based on the interference of polarized light is analyzed theoreticallyand the interleaver architecture of this kind is presented. a 50ghz interleaver is designed and the two series of interleaved spectrum like cosine function is obtained experimentally ; by using the tandem of two birefringent crystals with different optical path difference, we get the flattop spectrum

    3 、分析了pbi型interleaver的基本原理,給出了一種pbi型interleaver結構;設計了50ghz光學梳狀濾波器,實驗得到了該件兩組交錯分類餘弦輸出光譜;採用不同光程差的晶體級聯方案,實現了輸出光譜平頂化。
  2. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    本文從計算機視頻電磁泄漏和數字兩方面的基本理論出發,詳細論述了計算機視頻信息電磁泄漏的原理及特點,指出視頻泄漏信息的頻譜是以行頻為周期的譜線;分析了重加和梳狀濾波器的性能;分析了視頻泄漏信息截獲的條件;推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級;論述了清晰再現對接收機和數據採集卡的技術要求。
  3. The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested

    在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取同步信息; 2 )用積分投影、微分定位的方法進行相位檢測,實現可靠的鎖相和電子穩像; 3 )將電子穩像技術用於重加和梳方法,改進了效果; 4 )通過檢測圖像信息熵實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀定標的標準測試圖,可以對泄漏信息進行定量檢測。
  4. Then novel circuit structure of bi - directional voltage mode ( based on forward converter ) inverters with high frequency link, are proposed, which is constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filter ; the circuit topologies family of this bi - directional voltage mode inverters with high frequency link include six circuit topologies, such as push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controlled bi - directional voltage mode inverters with high frequency link is introduced

    本文首先論述了dc / ac逆變技術的應用前景及發展現。基於正激forward變換的雙向電壓源型高頻環節逆變電路結構,由輸入周變換、高頻變壓、輸出周變換、以及輸入、輸出構成;雙向電壓源高頻環節逆變電路拓撲族,包括推挽全式、推挽橋式、半橋全式、半橋橋式、全橋全式、全橋橋式六種電路。
  5. Firstly, this paper introduces the basic structure of narrow band fir digital filters. secondly, it analyses the components of narrow band fir digital filters, which conclude cic filter, hbf filter, resampling techniques. based on these analyses, the paper gives the full structure of narrow band fir digital filters and analyses its characteristics, which are frequencies response, anti _ aliasing and anti _ image

    本文首先簡單介紹了窄帶fir的基本結構,然後對窄帶fir的各組成部分進行了詳細分析,內容包括:積分梳狀濾波器( cic )的特性和設計,半帶( hbf )和整形的特性和設計,重采樣技術的原理與實現。
  6. To decimators of multi - level system designed based on the hb filter and cic filter, analysis of the filter design parameters involved, whose theory applied to multi - level cic filter of design, and designed half band filter with distributed algorithms. compared to the simulation results. these advanced algorithms applications, and further increase hardware efficiency and operating speed

    對于基於積分梳( cic )和半帶( hb )的多級系統設計的抽取組,分析了設計中所涉及的各個參數,將剪除理論應用於多級積分梳( cic )的設計中,並且採用分散式演算法( da )來設計半帶( hb ),並對模擬結果進行比較,這些先進演算法的應用,進一步提高了硬體效率和運行速度。
  7. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼的設計採用優化g . 729a代碼達到設計要求,並在此基礎上加入g . 729b的靜音檢測模塊,以進一步降低網路傳輸帶寬;對回聲消除的設計採用nlms演算法,通過設計自適應fir和語音檢測達到回聲消除目的;對雙音多頻設計,信號發生端採用構造靜態參數表並通過二階正弦振蕩產生信號,信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計,除了類似雙音多頻的信號發生及頻率檢測設計外,還需要檢測信號持續時間,作者設計了一種基於匹配態表的方法以檢測信號持續時間。
  8. The double talk detector computes a squared norm of the filter weight vector and detects an increase of the squared norm in order to detect double - talk status

    其中一雙方交談偵測裝置會計算權值向量所對應的方均值差量,並利用於偵測一雙方交談態。
  9. The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on

    本文首先回顧了設計的國內外研究背景和現,介紹了本課題提出的意義以及本文的主要工作,論述了開關電容網路原理和基本開關模塊,分析了開關電容設計的相關因素:電路結構的選擇,對運算放大設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮,開關的打開電阻對電路的影響,開關電容電路中怎樣減少電荷注入和時鐘饋通,以及整個電路的功耗問題和采樣頻率的選擇等。
  10. Research into 3d motion adaptive comb filter in pal format

    運動自適應數字梳狀濾波器演算法研究
  11. Development of fiber interle

    光纖梳狀濾波器的研製
  12. Design of super narrow band and comb - shaped multi - channel photonic crystal filters

    超窄帶和梳多通道光子晶體設計
  13. Dcf digital comb filter

    數字梳狀濾波器
  14. By changing the multiple time - varying fading factors of the strong tracking filter, mstkf switches between kalman filtering and strong tracking filtering

    通過直接改變強跟蹤的多重時變漸消因子, mstkf在卡爾曼和強跟蹤兩種工作態之間切換。
  15. Wdm has promoted greatly the development of optical communications, optical net based on wdm technology will become the main transmitting flat roof in telecom net. in wdm, with increasing the channel density, a new kind of optical component, interleaver, emerges as the times require. in this paper, several main interleaving technologies are analyzed quite deeply, and mgti interleaver is investigated experimentally, one prototype device with better experiment results is achieved

    分復用技術( wdm )對于光通信技術的發展起到了巨大的推動作用,以dwdm技術為核心的光傳送網將成為電信網的主要傳送平臺。在密集分復用技術中,隨著通道復用密度的提高,一種新型光件? ?光學梳狀濾波器( interleaver )應運而生。
  16. Secondly, we propose and demonstrate experimentally a novel multi - wavelength erbium - doped fiber ring laser by using a mach - zehnder fiber interferometer and composite cavity. as a result, simultaneous multi - wavelength oscillations with narrow linewidth and equal wavelength span are obtained in room temperature. this device has advantageous of simple design fabrication and low cost et al

    進一步,我們設計了一種新穎的多長摻鉺光纖環形激光,這種激光是利用mach - zenhder ( m - z )光纖型干涉儀作為梳狀濾波器,並且與復合腔共同選頻,獲得了窄線寬、等間隔的多長同時輸出,這種激光具有在常溫工作,結構簡單,成本低等優點。
  17. A g reat deai of tests showthat the power suppiy circuit, the ac current and voitage circuit, communication and the binary input circuit are the main routes for transient. the filter, three - terminal chip capacitor and the capacitor can be used in the lowvoitage power suppiy circuit ( 5v. + l - 15v and 24v ) to restrain the efts affecting thedigital system

    3提出在5v 、 + / - 15v 、 24v弱電電源迴路中,通過增加適用於弱電系統、 emi片狀濾波器以及在弱電電源端加入電容等措施,可以有效地抑制瞬變騷擾對數字系統的影響。
  18. The method that increases the attitude accuracy of strapdown inertial attitude and heading reference system ( siahrs ) with the infromation from inertial measurement unit ( imu ) its own is studied. according to the design idea of damping network in platform type, damping kalman filter in siahrs is designed to enhance the attitude accuracy via integrating attitude calculated by common siahrs and that estimated by accelerometers. in order to evaluate the effectiveness of damping attitude, the vehicle ' s movement should be detected in real - time. for this reason, the state chi - square test is employed in the damping kalman filter, and the failure detection vector are tested, which improves the sensitivity and reliability of failure detection. finally, static and dynamic experiments of actual system demonstrate the effectiveness of the proposed method

    本文探討了如何利用慣性測量組合本身的信息來提高捷聯航姿系統的姿態精度.根據平臺式阻尼網路的思想,設計了捷聯式內阻尼卡爾曼,將慣導系統捷聯解算獲得的姿態與加速度計估計的姿態進行組合,在系統非加速度態下,提高了姿態輸出的精度.為了實時監測系統的運動態從而判斷內阻尼姿態的有效性,本文成功將態2檢驗法應用在內阻尼卡爾曼中,設計了基於2個態傳播的故障監測,並通過對故障檢測向量元素的檢驗代替對整個向量的檢驗,提高了故障監測的靈敏度和可靠性.最後,實際系統的動靜態實驗驗證了本文所提出的方法的有效性
  19. The speed sensorless techniques for dtc system are very fascinating and challenging subjects recently, they are received wide attention in the literature. some brief description is provided. the proposed approaches are based on speed model of dtc, motor reference adaptive control, the instantaneous reactive power of motor and the extended kalman filter

    無速度傳感調速系統是直接轉矩控制研究領域內一個非常熱門的研究方向,本文介紹了無速度傳感技術的發展歷史及目前的研究況,分別利用直接轉矩控制的轉速模型方法,模型參考自適應方法、電機定子反電動勢以及擴展的卡爾曼等方法設計了無速度傳感系統,對于其數學模型和系統構成作了比較詳細的推導。
  20. Realizing state variable filter based on isppac

    10實現態變量有源
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